CVE-2025-13086Improper validation of source IP addresses in OpenVPN version 2.6.0 through 2.6.15 and 2.7_alpha1 through 2.7_rc1 allows an attacker to open a session from a different IP address which did not initia…
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Improper validation of source IP addresses in OpenVPN version 2.6.0 through 2.6.15 and 2.7_alpha1 through 2.7_rc1 allows an attacker to open a session from a different IP address which did not initiate the connection resulting in a denial of service for the originating client
- CVSS
- 7.5 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-940
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Sep 25, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
openvpn openvpn openvpn:openvpn | from 2.6.0 before 2.6.16; 2.7; 2.7; 2.7; 2.7; 2.7; 2.7; 2.7 | NVD |
References
- https://community.openvpn.net/Security%20Announcements/CVE-2025-13086vendor-advisory
- https://www.mail-archive.com/openvpn-announce@lists.sourceforge.net/msg00151.htmlmailing-list, release-notes
- https://www.mail-archive.com/openvpn-announce@lists.sourceforge.net/msg00152.htmlmailing-list, release-notes
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.